隧洞围岩分类与洞径和超欠挖之间的关系研究

孙少锐; 吴继敏; 魏继红

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隧洞围岩分类与洞径和超欠挖之间的关系研究

基础理论与实验研究 | 更新时间：2026-06-25

- 隧洞围岩分类与洞径和超欠挖之间的关系研究
- Research on relation among surrounding rock classification, tunnel radii and overbreak-underbreak of tunnels
- 岩土力学 2005年26卷第8期
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  中图分类号： TU45
- 网络首发：2013-12-26，
  
  纸质出版：2005
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孙少锐, 吴继敏, 魏继红. 隧洞围岩分类与洞径和超欠挖之间的关系研究[J]. 岩土力学, 2005,26(8).

SUN Shao-rui, WU Ji-min, WEI Ji-hong. Research on relation among surrounding rock classification, tunnel radii and overbreak-underbreak of tunnels[J]. 2005, 26(8).
孙少锐, 吴继敏, 魏继红. 隧洞围岩分类与洞径和超欠挖之间的关系研究[J]. 岩土力学, 2005,26(8). DOI：

SUN Shao-rui, WU Ji-min, WEI Ji-hong. Research on relation among surrounding rock classification, tunnel radii and overbreak-underbreak of tunnels[J]. 2005, 26(8). DOI：

摘要

岩体的地质结构特征是影响隧洞围岩超欠挖的主要因素，正确评价岩体的质量，对岩体进行分类，并研究岩体质量与隧洞超欠挖之间的关系对分析和预测隧洞超欠挖具有重要的意义。对隧洞围岩的RMR分类和Q分类与超欠挖之间的关系进行了详细研究，研究了在同类岩体条件下不同开挖洞径与隧洞超欠挖之间的关系，并由此建立了RMR分类和Q分类之间的关系，得出围岩的RMR分类和Q分类与隧洞超欠挖呈线性关系和对数线性关系，根据超欠挖建立起来的RMR分类和Q分类之间的关系比较符合工程实际。最后研究了超欠挖与围岩分类及洞径之间的复相关关系。

Abstract

The geological characteristics of rock mass are main factors of affecting overbreak-underbreak of tunnels. It is important to analyze and forecast overbreak-underbreak of tunnels for evaluating rock mass quality correctly and classifying the rock mass and researching the relation between rock mass quality and overbreak-underbreak. The relations among the classification of RMR and Q and overbreak-underbreak are researched. The relations among different tunnel radii and overbreak-underbreak in the same class rock mass are studied. According to these

the relation between the classification RMR and Q is built. The linear relation and the logarithm linear relation among RMR and Q and overbreak-underbreak are gained. It is fit to fact that the relation between the classification of RMR and Q is built according to overbreak-underbreak of tunnels. Lastly

the multi-correlation among overbreak-overbreak

surrounding rock classification and radius of tunnel are researched.

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